const cp = require('child_process');
const { resolve } = require('path');
(async () => {
  const script = resolve(__dirname, '../crawler/video')
  const child = cp.fork(script, []);
  let invoked = false;

  child.on('error', err=>{
    if (invoked) return;
    invoked = true;
    console.log(err);
  });
  child.on('exit', code =>{
    if (invoked) return;
    invoked = true;
    let err = code === 0 ? null: new Error('exit code' + code);
    console.log('error: '+ err);
  });
  child.on('message', data => {
    console.log(data);
  })

})();
